在古代,紙扇除了能搞去暑意,文
人雅士還喜歡在上面作畫、題詩,
因此它也是裝飾品、藝術品。
以數學的觀點,可用黃金比值設計
一把最富美感的扇子。如右圖,
...
![subject](/tpl/images/cats/mat.png)
Mathematics, 22.04.2021 09:20 robertjoy19
在古代,紙扇除了能搞去暑意,文
人雅士還喜歡在上面作畫、題詩,
因此它也是裝飾品、藝術品。
以數學的觀點,可用黃金比值設計
一把最富美感的扇子。如右圖,
剩餘圖形B面積對扇形A面積的
比比值,如果是黃金比值1.618,則
扇形A就是最富美感的黃金紙扇。
看圖回答下面問題:
已知上圖圓的半徑10公分,完成下表:
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